On 14 Feb 1856 when Peter Monroe was 28, he first married
Mary J. Brown, daughter of
Stephen Brown (4 Nov 1797-18 Sep 1857) &
Mary Abbott (ca 1809-1848), in Steuben County, New York.
Born on 23 Jun 1839 in New York. Mary J. died in Steuben County, New York, on 9 Apr 1857; she was 17. Buried in Brown Cemetery, Pulteney, Steuben County.
Surrogate Court, Yates County, New York. 27 Apr 1857.
Mary J. Dinehart, deceased, of Potter, wife of Peter M. Dinehart. All goods, chattel, and credit granted to Peter M. Dinehart.